魔能玩不了，求帮助

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Version: 1.3.5.6
Thread: RenderThread
Microsoft.Xna.Framework.Graphics.OutOfVideoMemoryException: 外部组件发生异常。
   在 Microsoft.Xna.Framework.Graphics.DepthStencilBuffer..ctor(GraphicsDevice graphicsDevice, Int32 width, Int32 height, DepthFormat format, MultiSampleType multiSampleType, Int32 multiSampleQuality)
   在 PolygonHead.RenderManager.CreateBackBuffers()
   在 PolygonHead.RenderManager.RenderScene(Scene currentScene, DataChannel iDataChannel, GameTime& iGameTime)
   在 Magicka.Game.Draw(GameTime gameTime)
   在 Microsoft.Xna.Framework.Game.DrawFrame()
   在 Microsoft.Xna.Framework.Game.Tick()
   在 Microsoft.Xna.Framework.Game.HostIdle(Object sender, EventArgs e)
   在 Microsoft.Xna.Framework.GameHost.OnIdle()
   在 Microsoft.Xna.Framework.WindowsGameHost.ApplicationIdle(Object sender, EventArgs e)
   在 System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FDoIdle(Int32 grfidlef)
   在 System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)
   在 System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   在 System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   在 System.Windows.Forms.Application.Run(Form mainForm)
   在 Microsoft.Xna.Framework.WindowsGameHost.Run()
   在 Microsoft.Xna.Framework.Game.Run()
   在 Magicka.Program.Main(String[] args)








魔能打开窗口持续灰屏，跟着自动关闭，求帮助，先谢了，